12001222202201 has 8 divisors (see below), whose sum is σ = 12452546793984. Its totient is φ = 11553909384960.

The previous prime is 12001222202191. The next prime is 12001222202231. The reversal of 12001222202201 is 10220222210021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12001222202201 - 2²² = 12001218007897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12001222202201.

It is not an unprimeable number, because it can be changed into a prime (12001222202231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002937541 + ... + 1002949506.

It is an arithmetic number, because the mean of its divisors is an integer number (1556568349248).

Almost surely, 2^{12001222202201} is an apocalyptic number.

It is an amenable number.

12001222202201 is a deficient number, since it is larger than the sum of its proper divisors (451324591783).

12001222202201 is a wasteful number, since it uses less digits than its factorization.

12001222202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005887271.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12001222202201 its reverse (10220222210021), we get a palindrome (22221444412222).

The spelling of 12001222202201 in words is "twelve trillion, one billion, two hundred twenty-two million, two hundred two thousand, two hundred one".